Выполнить команду в Bash

import subprocess
from re import search
 
ss = str(subprocess.run(['cat', '/sys/bus/w1/devices/w1_bus_master1/28-000e9843003d/w1_slave'],
                        stdout=subprocess.PIPE, text=True))
t = float(search(r'(?<=t=)\d+\.?\d*', ss).group())

with open('/sys/bus/w1/devices/w1_bus_master1/28-000e9843003d/w1_slave') as f:
    text = f.read()

import re
 
text = '''\
54 01 64 05 7f 00 00 ff ff : crc=ff YES
54 01 64 05 7f 00 00 ff ff t=21250'''
print(re.findall(r't=(\d\d)', text))

text = '''\
54 01 64 05 7f 00 00 ff ff : crc=ff YES
54 01 64 05 7f 00 00 ff ff t=21250'''
t = int(re.findall(r't=(\d+)', text)[0]) / 1000
print(t)

import subprocess
from re import search
 
ss = str(subprocess.run(['cat', '/sys/bus/w1/devices/w1_bus_master1/28-000e9843003d/w1_slave'],
                        stdout=subprocess.PIPE, text=True))
t = float(search(r'(?<=t=)\d+\.?\d*', ss).group())
t = t/1000
t = round(t)
print(t)

@admin_commands
def get_cuurent_temperature(update, context):
    chat_id = update.message.chat_id
    try:
#        conn = sqlite3.connect(SQLITE_DB_FILENAME)
#        cursor = conn.cursor()
#        row = cursor.execute('select temperature from celsread where id = 1').fetchone()
#        conn.close()
        ss = str(subprocess.run(['cat', '/sys/bus/w1/devices/w1_bus_master1/28-000e9843003d/w1_slave'],
                        stdout=subprocess.PIPE, text=True))
        t = float(search(r'(?<=t=)\d+\.?\d*', ss).group())
        t = t/1000
        row = round(t)
        text = "Температура в системе {0}".format(row[0])
        context.bot.send_message(chat_id, text, reply_markup=ReplyKeyboardMarkup(INFO_MENU, resize_keyboard=True))
    except Exception as e:
        logger.error('Get current temperature error: %s', str(e))
        text = "Не удалось получить температуру из-за проблем с БД, Попробуйте еще раз."
        context.bot.send_message(chat_id, text, reply_markup=ReplyKeyboardMarkup(INFO_MENU, resize_keyboard=True))

>>> 42[0]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: 'int' object is not subscriptable